Plain Carbon Steel
| AISI |
BS |
JIS |
DIN |
IS |
| SAE 1008 |
EN3A, B, D |
S10C |
C10 |
10C4 |
| SAE1010 |
EN5 |
S15C |
2C30 |
15C8 |
| SAE 1015 |
EN8 A,B,C,D |
S20C |
3C30 |
20C8 |
| SAE 1030 |
EN9 |
S30C |
2C35 |
30C8 |
| SAE1035 |
EN43B, C |
S35C |
3C35 |
35C8 |
| SAE 1040 |
|
S40C |
3C40 |
40C8 |
| SAE 1045 |
|
S45C |
3C45 |
45C8 |
| SAE 1050 |
|
S50C |
3C50 |
50C8 |
| SAE 1055 |
|
S55C |
3C55 |
55C8 |
| SAE 1541 |
|
SMn438 |
|
37C15 |
Case Hardening Steel
| SAE 8620 |
EN353 |
SCM415 |
20NiCrMo2 |
20Ni2Cr2Mo2 |
|
|
SCM420 |
16MnCr5 |
16Mn5Cr4 |
|
|
|
20MnCr5 |
20Mn5Cr5 |
| 17Cr3 |
|
|
|
|
Through Hardening Alloy Steel
|
EN15 |
SCR440 |
40Cr4 |
|
| SAE4140 |
EN16 |
SCM440 |
42CrMo4 |
42Cr4Mo2 |
| SAE52100 |
EN18 |
|
|
|
|
EN19 |
|
|
|
|
EN31 |
|
|
|
Free/Semi-Free Cutting Steel
| SAE 1137 |
EN1A |
SUM22 |
10S20 |
11C10S25 |
| SAE1140 |
EN1A(L) |
SUM22L |
35S20 |
40C15S12 |
| SAE1213 |
EN8M |
SUM42 |
|
|
| SAE 12L 14 |
EN15AM |
|
|
|